humidity / dew point / tempeRAtuRe / moistuRe in oil ... - Vaisala
humidity / dew point / tempeRAtuRe / moistuRe in oil ... - Vaisala
humidity / dew point / tempeRAtuRe / moistuRe in oil ... - Vaisala
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Technical Data<br />
HMI41 Indicator<br />
Calculated variables <strong>dew</strong> <strong>po<strong>in</strong>t</strong> temperature, absolute <strong>humidity</strong>,<br />
wet bulb temperature, mix<strong>in</strong>g ratio<br />
Resolution<br />
0.1 %RH; 0.1 °C/°F<br />
Power supply 4 batteries, type AA (LR 6)<br />
Battery operation time<br />
(alkal<strong>in</strong>e batteries)<br />
72 h cont<strong>in</strong>uous use<br />
Auto-off function<br />
Operat<strong>in</strong>g temperature<br />
-20 ... +60 °C (-4 ... +140 °F)<br />
Storage temperature<br />
-40 ... +70 °C (-40 ... +158 °F)<br />
Display<br />
two l<strong>in</strong>e LCD<br />
Hous<strong>in</strong>g material<br />
ABS plastic<br />
Hous<strong>in</strong>g classification<br />
IP53 (with connectors blocked)<br />
Weight (<strong>in</strong>cl. batteries)<br />
300 g<br />
Maximum measurement error of <strong>in</strong>dicator at +20 °C<br />
<strong>humidity</strong><br />
±0.1 %RH<br />
temperature<br />
±0.1 °C (±0.18 °F)<br />
HMP42 Probe<br />
Humidity<br />
Measurement range<br />
0 ... 100 %RH<br />
Accuracy (<strong>in</strong>cl. non-l<strong>in</strong>earity, hysteresis and repeatability)<br />
at +20 °C (+68 °F)<br />
0 … 90 %RH ±2 %RH<br />
90 … 100 %RH ±3 %RH<br />
Factory calibration uncerta<strong>in</strong>ty (+20 °C / +68 °F)<br />
0 … 15 %RH ±1 %RH<br />
15 … 78 %RH ±1.5 %RH<br />
Temperature dependence of electronics<br />
±0.05 %RH/°C<br />
Typical long-term stability<br />
better than 1 %RH per year<br />
Response time (90%) at +20 °C <strong>in</strong> still air<br />
30 s<br />
Temperature<br />
Measurement range HMP42 -40 ... +100 °C (-40 ... +212 °F)<br />
Temperature accuracy over measurement range<br />
∆°C<br />
0.6<br />
0.4<br />
0.2<br />
0<br />
-0.2<br />
-0.4<br />
-0.6<br />
-40 -20 0 20 40 60 80 100<br />
T/°C<br />
Temperature sensor Pt100 RTD Class F0.3 IEC 60751<br />
HMP46 Probe<br />
Humidity<br />
Measurement range<br />
0 ... 100 %RH, non-condens<strong>in</strong>g<br />
Accuracy (<strong>in</strong>cl. non-l<strong>in</strong>earity, hysteresis and repeatibility)<br />
at +20 °C (+68 °F)<br />
0 … 90 %RH ±1 %RH<br />
90 … 100 %RH ±2 %RH<br />
Factory calibration uncerta<strong>in</strong>ty (+20 °C / +68 °F)<br />
0 … 15 % RH ±1 %RH<br />
15 … 78 %RH ±1.5 %RH<br />
Temperature Dependence<br />
error %RH<br />
2<br />
1.5<br />
1<br />
for temporary<br />
0.5<br />
0<br />
use only<br />
-0.5<br />
-1<br />
-1.5<br />
-2<br />
-40 -20 0 20 40 60 80 100 120 140 160 180<br />
T/°C<br />
Typical long-term stability<br />
better than 1 %RH per year<br />
Response time (90%)<br />
at +20 °C <strong>in</strong> still air w/s<strong>in</strong>tered filter<br />
15 s<br />
Temperature<br />
Cont<strong>in</strong>uous measurement<br />
-40 ... +100 °C (-40 ... +212 °F)<br />
Short-term measurement<br />
-40 ... +180 °C (-40 ... +356 °F)<br />
Temperature accuracy at +20 °C (+68 °F) ±0.2 °C (±0.36 °F)<br />
Temperature accuracy over the measurement range<br />
°C<br />
0.6<br />
0.4<br />
0.2<br />
0<br />
-0.2<br />
-0.4<br />
-0.6<br />
-40 -20 0 20 40 60 80 100 120 140 160 180<br />
T/°C<br />
Temperature sensor Pt100 RTD Class F0.1 IEC 60751<br />
Humidity<br />
57
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